The Kia Rio is a subcompact that is inexpensive, stylish and a spacious little car. It delivers sprightly performance, great fuel economy and agile handling., , NHTSA rates crash-tested vehicles by assigning them one to five stars, with five stars indicating the most injury protection and one star indicating the least protection. For 2008 the Kia Rio recieved 4 stars for the driver's side front and 5 stars for the passenger side front.,